Bump protobuf from 2.28.0 to 3.7.2#4244

dependabot[bot] wants to merge 1 commit intomainmxsm/rocketmq-rust:mainfrom

dependabot/cargo/protobuf-3.7.2mxsm/rocketmq-rust:dependabot/cargo/protobuf-3.7.2Copy head branch name to clipboard